DGL Licorice Supreme Ingredients & Drug Interactions
What is this page for?
First and foremost: checking DGL Licorice Supreme against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
DGL Licorice Supreme is a dietary supplement by Harmony Nutraceuticals with 2 active ingredients. Its ingredients are commonly taken for sore throat and cough, heartburn and stomach upset, mouth ulcers and digestive complaints.Based on those ingredients, 1,162 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Deglycyrrhizinated Licorice Root Extract, Gingerine. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against DGL Licorice Supreme by Harmony Nutraceuticals
Ask about any prescription or over-the-counter medication and we check it for interactions with DGL Licorice Supreme by Harmony Nutraceuticals — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of DGL Licorice Supreme by Harmony Nutraceuticals
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
DGL Licorice Supreme contains 2 active ingredients: deglycyrrhizinated licorice root extract and gingerine (a ginger component). The licorice extract has had the glycyrrhizin — the compound that causes most of licorice's side effects — removed, which is why it's labeled DGL.
Gingerine is derived from ginger root. The capsule itself is vegan.
Does it work?
Insufficient evidence
The licorice extract is possibly effective for canker sores and atopic dermatitis (eczema). The ginger component is possibly effective for pregnancy-induced nausea and vomiting, dysmenorrhea (period pain), and osteoarthritis, though research for exercise-induced muscle soreness and chemotherapy-induced nausea is mixed or suggests it may not help.
Evidence for licorice in Addison disease and asthma is insufficient to rate it reliably.
How safe is it?
Well-documented data
Because this product contains licorice, the safety notes warn that while small food amounts are generally fine, higher doses or long-term use of the active compound glycyrrhizin (though reduced in DGL) can cause serious problems. The product should be avoided in pregnancy — glycyrrhizin has been linked to harmful effects — and there isn't enough reliable safety data to recommend it while breastfeeding.
Ginger is generally well tolerated in typical amounts, though higher doses above 5 grams per day increase the risk of side effects. The most common adverse effects from licorice are headache, nausea, and vomiting when taken orally; from ginger, they're abdominal discomfort, burping, diarrhea, heartburn, and a peppery irritant sensation in the mouth and throat.
Serious adverse effects from licorice are rare but can include serious blood pressure and electrolyte problems with high doses or long-term use.
Meds to double-check
Moderate interaction found
Before taking this product, double-check your medications if you take digoxin (heart medication) — the licorice carries a Moderate risk of increased cardiac toxicity. Also check blood thinners like warfarin, phenprocoumon, or antiplatelet drugs; diabetes medications; loop diuretics; cancer drugs like cisplatin and paclitaxel; midazolam; nifedipine; losartan; and any drugs metabolized by CYP2B6, CYP2C19, CYP3A4, or P-glycoprotein pathways.
If any of these apply, consult your pharmacist or doctor before starting.
The bottom line
Scorecard at a glanceFully disclosed formula with insufficient evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.
Consider this product if you're looking for support with canker sores, mild eczema, period pain, or nausea related to pregnancy or osteoarthritis — but only after checking with your pharmacist or doctor about your specific medications. Be especially cautious if you take heart medications, blood thinners, diabetes drugs, or cancer treatments.
Talk to your pharmacist before starting, and avoid it entirely if you're pregnant or breastfeeding.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jul 24, 2025.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about DGL Licorice Supreme, straight from the product label.
| Brand | Harmony Nutraceuticals |
|---|---|
| Barcode (UPC) | 817339020636 |
| Net contents | 120 Vegan Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Jul 24, 2025 |
| DSLD ID | 333352 |
| Product type | Botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegan, Vegetarian, Adult (18 - 50 Years), Kosher, Halal, Dairy Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for DGL Licorice Supreme by Harmony Nutraceuticals, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Deglycyrrhizinated Licorice Root Extract | 1200 mg | -- |
| Gingerine | 20 mg | -- |
Other ingredients: Vegan Capsule
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formula
Licorice has been used for millennia in Asian, Ayurvedic, Greek, and European medicine to enhance strength and vitality. Modern research has validated its role in immune, adrenal, and liver support. It may aid and soothe digestive and respiratory systems. Our DGL Licorice extract contains less than 1% glycyrrhizin to prevent blood pressure side effects.
Our supreme DGL Licorice extract is synergized with Gingerine, an exclusive extract of Ginger, to boost absorption, bioactivity, and efficacy.
Halal
Kosher
Synergized with Gingerine
Suggested/Recommended/Usage/Directions
Suggested use: 1-2 capsules, once or twice daily, or as directed by your healthcare practitioner.
Precautions
Caution: Keep out of reach of children.
Do not use if inner seal is missing or broken.
Pregnant and nursing women, individuals taking medications, or persons with a health condition should consult their healthcare professional before using this product.
Storage
Protect from heat, light, and moisture.
Seals/Symbols
Harmonious and Sustainable GMP Certified Good Manufacturing GMP Certified Facility Eco-Friendly O-K!
Formulation
Vegan
Clinical Grade GMP Certified Certified Lab Tested
Digestive & Respiratory Harmony
Made With Love in the USA
Nothing else, pure goodness!
FDA Statement of Identity
Pure Herbal Supplement
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Brand IP Statement(s)
Gingerine is a trademark of Harmony Nutraceuticals, LLC
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
DGL Licorice Supreme by Harmony Nutraceuticals label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in DGL Licorice Supreme by Harmony Nutraceuticals
These are the 2 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Vegan Capsule(s) Dosage formCapsule Servings per container60 Amounts shown are per serving.
Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.
Deglycyrrhizinated Licorice Root Extract
Interacts with1,040 drugs
Licorice root is a traditional remedy used for sore throats, coughs, and digestive complaints, but solid human evidence is limited for most uses. Regu...
Deglycyrrhizinated Licorice Root Extract monograph & interactionsGingerine
Interacts with1,007 drugs
Ginger is a widely used culinary spice with a long history in traditional medicine, and it has the strongest evidence for helping with nausea and vomi...
Gingerine monograph & interactionsOther (inactive) ingredients: Vegan Capsule. These complete the product’s ingredient list but are not active constituents.
DGL Licorice Supreme by Harmony Nutraceuticals Drug Interactions
HelloPharmacist Interaction Report
DGL Licorice Supreme by Harmony Nutraceuticals contains two active ingredients, both with documented interactions affecting a broad range of medications.
The deglycyrrhizinated licorice root extract carries the most serious interactions — it may increase the risk of cardiac toxicity when used with digoxin (Lanoxin), a heart medication, especially if licorice is overused or misused. Additionally, this ingredient interacts with blood thinners: it may decrease warfarin's (Coumadin) effectiveness by speeding up how your body breaks it down, and it may increase levels of drugs metabolized by the CYP2B6 and CYP2C19 pathways in your liver, potentially raising their effects.
It also interacts with loop diuretics (water pills), the cancer drug cisplatin (Platinol-AQ), paclitaxel (Abraxane, Onxol), and midazolam (Versed), a sedative used during procedures.
Read the full breakdown — every affected drug type, severity by severity
The ginger component (Gingerine) carries its own set of Moderate interactions. It may increase bleeding risk with anticoagulants and antiplatelet drugs, warfarin, and the related drug phenprocoumon (Marcoumar).
It may also raise blood sugar risk with diabetes medications, increase blood pressure medication effects with losartan (Cozaar), and alter how your body processes drugs broken down by CYP3A4 metabolism and P-glycoprotein transporters — affecting some cancer medications and other drugs.
Additionally, several inactive ingredients listed on the label — the vegan capsule material — were not checked for interactions. Altogether, these interactions span 1,145 individual medications.
Before you start this product, run your exact prescription medications through the checker on this page.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against DGL Licorice Supreme?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in DGL Licorice Supreme interact with 1,162 drugs. Click any drug to see the details.
2 of the 2 ingredients in DGL Licorice Supreme interact with drugs. Each result below shows which ingredient is responsible. Deglycyrrhizinated Licorice Root Extract Gingerine
Ado-trastuzumab EmtansineKadcyla
How Ado-trastuzumab Emtansine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Ado-trastuzumab Emtansine interactionGingerineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Ado-trastuzumab Emtansine interactionAbciximabReoPro
How Abciximab interacts with DGL Licorice Supreme — through 1 ingredient. Tap an ingredient for the detail:
GingerineAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Read the full Gingerine + Abciximab interactionAbemaciclibVerzenio
How Abemaciclib interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Abemaciclib interactionGingerineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Abemaciclib interactionAbiraterone
How Abiraterone interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Abiraterone interactionGingerineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Abiraterone interactionAbiraterone AcetateYonsa, Zytiga
How Abiraterone Acetate interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Abiraterone Acetate interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Abiraterone Acetate interactionAbrocitinibCibinqo
How Abrocitinib interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineAnticoagulant/antiplatelet Drugs, Cytochrome P450 2c9 (cyp2c9) Substrates Moderate
Interaction Summary
Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Read the full Gingerine + Abrocitinib interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 2c19 (cyp2c19) Substrates, Cytochrome P450 2c9 (cyp2c9) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase levels of drugs metabolized by CYP2C19.
Read the full Deglycyrrhizinated Licorice Root Extract + Abrocitinib interactionAcalabrutinibCalquence
How Acalabrutinib interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, P-glycoprotein Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Acalabrutinib interactionGingerineCytochrome P450 3a4 (cyp3a4) Substrates, P-glycoprotein Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Acalabrutinib interactionAcarboseGlucobay, Prandase, Precose
How Acarbose interacts with DGL Licorice Supreme — through 1 ingredient. Tap an ingredient for the detail:
GingerineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking ginger with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full Gingerine + Acarbose interactionAcebutololRhotral, Sectral
How Acebutolol interacts with DGL Licorice Supreme — through 1 ingredient. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, licorice might reduce the effects of antihypertensive drugs.
Read the full Deglycyrrhizinated Licorice Root Extract + Acebutolol interactionAcenocoumarolSintrom
How Acenocoumarol interacts with DGL Licorice Supreme — through 1 ingredient. Tap an ingredient for the detail:
GingerineAnticoagulant/antiplatelet Drugs Moderate
Interaction Summary
Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Read the full Gingerine + Acenocoumarol interactionAcetaminophen, AspirinGemnisyn
How Acetaminophen, Aspirin interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineAnticoagulant/antiplatelet Drugs, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs.
Read the full Gingerine + Acetaminophen, Aspirin interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates Minor
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Aspirin interactionAcetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine
How Acetaminophen, Aspirin, Caffeine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates +1 Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Aspirin, Caffeine interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Aspirin, Caffeine interactionAcetaminophen, Butalbital, CaffeineEsgic, Esgic Plus, Fiogesic, Fioricet, Repan, Tecnal +1 more
How Acetaminophen, Butalbital, Caffeine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Butalbital, Caffeine interactionGingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Butalbital, Caffeine interactionAcetaminophen, Butalbital, Caffeine, CodeineEsgic with Codeine, Fioricet w/ Codeine
How Acetaminophen, Butalbital, Caffeine, Codeine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Acetaminophen, Butalbital, Caffeine, Codeine interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Butalbital, Caffeine, Codeine interactionAcetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, PhenylephrineHycomine Compound
How Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Caffeine, Chlorpheniramine, Hydrocodone, Phenylephrine interactionAcetaminophen, Caffeine, CodeineGesic C15, Gesic C30, Gesic C8, Lenoltec 1, Lenoltec 2, Lenoltec 3 +1 more
How Acetaminophen, Caffeine, Codeine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Caffeine, Codeine interactionGingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Caffeine, Codeine interactionAcetaminophen, Caffeine, Codeine, SalicylamideCodalan No.1, Codalan No.2, Codalan No.3
How Acetaminophen, Caffeine, Codeine, Salicylamide interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Caffeine, Codeine, Salicylamide interactionGingerineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Acetaminophen, Caffeine, Codeine, Salicylamide interactionAcetaminophen, Caffeine, DihydrocodeineDHC Plus, Panlor DC, Panlor SS
How Acetaminophen, Caffeine, Dihydrocodeine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Caffeine, Dihydrocodeine interactionGingerineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Acetaminophen, Caffeine, Dihydrocodeine interactionAcetaminophen, Caffeine, IsomethepteneMigralam
How Acetaminophen, Caffeine, Isometheptene interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Caffeine, Isometheptene interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Caffeine, Isometheptene interactionAcetaminophen, Caffeine, PyrilamineMidol Max Strength Menstrual
How Acetaminophen, Caffeine, Pyrilamine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates +1 Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Caffeine, Pyrilamine interactionGingerineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Acetaminophen, Caffeine, Pyrilamine interactionAcetaminophen, Chlorpheniramine Maleate, Dextromethorphan HbrVicks Formula 44M Cough, Cold & Flu Relief
How Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionGingerineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine Maleate, Dextromethorphan Hbr interactionAcetaminophen, Chlorpheniramine, Codeine, PhenylephrineColrex
How Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Codeine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, DextromethorphanCoricidin II Extra Strength Cold and Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan interactionAcetaminophen, Chlorpheniramine, Dextromethorphan HydrobromideCoricidin HBP Maximum Strength Flu
How Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionGingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Dextromethorphan Hydrobromide interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PhenylpropanolamineMulti Symptom Cold Relief
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan, Phenylpropanolamine interactionAcetaminophen, Chlorpheniramine, Dextromethorphan, PseudoephedrineChildren's Tylenol Cold Plus Cough, Tylenol Cold Ex Strength
How Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Dextromethorphan, Pseudoephedrine interactionAcetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, SalicylamideRhinogesic GG
How Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Ginger might increase or decrease the levels of CYP3A4 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Guaifenesin, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylephrineAlka-Seltzer PLUS, Histex SR, Protid
How Acetaminophen, Chlorpheniramine, Phenylephrine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Phenylephrine interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 3a4 (cyp3a4) Substrates, Cytochrome P450 1a2 (cyp1a2) Substrates Moderate
Interaction Summary
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Phenylephrine interactionAcetaminophen, Chlorpheniramine, Phenylephrine, SalicylamideRhinogesic, Rhinogesic JR
How Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
Deglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interactionGingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Phenylephrine, Salicylamide interactionAcetaminophen, Chlorpheniramine, PhenylpropanolamineAlumadrine, Conex, Sinadrin Max Strength, Sinulin
How Acetaminophen, Chlorpheniramine, Phenylpropanolamine interacts with DGL Licorice Supreme — through 2 ingredients. Tap an ingredient for the detail:
GingerineCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, ginger might increase the levels of CYP1A2 substrates.
Read the full Gingerine + Acetaminophen, Chlorpheniramine, Phenylpropanolamine interactionDeglycyrrhizinated Licorice Root ExtractCytochrome P450 1a2 (cyp1a2) Substrates, Cytochrome P450 3a4 (cyp3a4) Substrates Moderate
Interaction Summary
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
Read the full Deglycyrrhizinated Licorice Root Extract + Acetaminophen, Chlorpheniramine, Phenylpropanolamine interactionEach ingredient & the kinds of drugs it affects
For each ingredient in DGL Licorice Supreme with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.
Deglycyrrhizinated Licorice Root Extract
Antihypertensive Drugs
Theoretically, licorice might reduce the effects of antihypertensive drugs.
In human research, licorice increases blood pressure in a dose-dependent manner.
Cisplatin (Platinol-Aq)
Theoretically, licorice might reduce the effects of cisplatin.
In animal research, licorice diminished the therapeutic efficacy of cisplatin.
Corticosteroids
Theoretically, concomitant use of licorice and corticosteroids might increase the side effects of corticosteroids.
Case reports suggest that concomitant use of licorice and oral corticosteroids, such as hydrocortisone, can potentiate the duration of activity and increase blood levels of corticosteroids. Additionally, in one case report, a patient with neurogenic orthostatic hypertension stabilized on fludrocortisone 0.1 mg twice daily developed pseudohyperaldosteronism after recent consumption of large amounts of black licorice.
Cytochrome P450 2B6 (Cyp2B6) Substrates
Theoretically, licorice might increase levels of drugs metabolized by CYP2B6.
In vitro research shows that licorice extract and glabridin, a licorice constituent, inhibit CYP2B6 isoenzymes. Licorice extract from the species G. uralensis seems to inhibit CYP2B6 isoenzymes to a greater degree than G. glabra extract in vitro. Theoretically, these species of licorice might increase levels of drugs metabolized by CYP2B6; however, these interactions have not yet been reported in humans.
Cytochrome P450 2C19 (Cyp2C19) Substrates
Theoretically, licorice might increase levels of drugs metabolized by CYP2C19.
In vitro, licorice extracts from the species G. glabra and G. uralensis inhibit CYP2C19 isoenzymes in vitro. Theoretically, these species of licorice might increase levels of drugs metabolized by CYP2C19; however, this interaction has not yet been reported in humans.
Cytochrome P450 2C8 (Cyp2C8) Substrates
Theoretically, licorice might increase levels of drugs metabolized by CYP2C8.
In vitro, licorice extract from the species G. glabra and G. uralensis inhibits CYP2C8 isoenzymes. Theoretically, these species of licorice might increase levels of drugs metabolized by CYP2C8; however, this interaction has not yet been reported in humans.
Cytochrome P450 2C9 (Cyp2C9) Substrates
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP2C9.
There is conflicting evidence about the effect of licorice on CYP2C9 enzyme activity. In vitro research shows that extracts from the licorice species G. glabra and G. uralensis moderately inhibit CYP2C9 isoenzymes. However, evidence from an animal model shows that licorice extract from the species G. uralensis can induce hepatic CYP2C9 activity. Until more is known, licorice should be used cautiously in people taking CYP2C9 substrates.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Theoretically, licorice might increase or decrease levels of drugs metabolized by CYP3A4.
Pharmacokinetic research shows that the licorice constituent glycyrrhizin, taken in a dosage of 150 mg orally twice daily for 14 days, modestly decreases the area under the concentration-time curve of midazolam by about 20%. Midazolam is a substrate of CYP3A4, suggesting that glycyrrhizin modestly induces CYP3A4 activity. Animal research also shows that licorice extract from the species G. uralensis induces CYP3A4 activity. However, licorice extract from G. glabra species appear to inhibit CYP3A4-induced metabolism of testosterone in vitro. It is thought that the G. glabra inhibits CYP3A4 due to its constituent glabridin, which is a moderate CYP3A4 inhibitor in vitro and not present in other licorice species. Until more is known, licorice should be used cautiously in people taking CYP3A4 substrates.
Digoxin (Lanoxin)
Theoretically, concomitant use of licorice with digoxin might increase the risk of cardiac toxicity.
Overuse or misuse of licorice with cardiac glycoside therapy might increase the risk of cardiac toxicity due to potassium loss.
Diuretic Drugs
Theoretically, concomitant use of licorice with diuretic drugs might increase the risk of hypokalemia.
Overuse of licorice might compound diuretic-induced potassium loss. In one case report, a 72-year-old male with a past medical history of hypertension, type 2 diabetes, hyperlipidemia, arrhythmia, stroke, and hepatic dysfunction was hospitalized with severe hypokalemia and uncontrolled hypertension due to pseudohyperaldosteronism. This was thought to be provoked by concomitant daily consumption of a product containing 225 mg of glycyrrhizin, a constituent of licorice, and hydrochlorothiazide 12.5 mg for 1 month.
Estrogens
Theoretically, licorice might increase or decrease the effects of estrogen therapy.
Theoretically, licorice might interfere with estrogen therapy due to estrogenic and anti-estrogenic effects.
Loop Diuretics
Theoretically, loop diuretics might increase the mineralocorticoid effects of licorice.
Theoretically, loop diuretics might enhance the mineralocorticoid effects of licorice by inhibiting the enzyme that converts cortisol to cortisone; however, bumetanide (Bumex) does not appear to have this effect.
Midazolam (Versed)
Theoretically, licorice might decrease levels of midazolam.
In humans, the licorice constituent glycyrrhizin appears to moderately induce the metabolism of midazolam. This is likely due to induction of cytochrome P450 3A4 by licorice. Until more is known, licorice should be used cautiously in people taking midazolam.
P-Glycoprotein Substrates
Theoretically, licorice might decrease the absorption of P-glycoprotein substrates.
In vitro research shows that licorice can increase P-glycoprotein activity.
Paclitaxel (Abraxane, Onxol)
Theoretically, licorice might decrease plasma levels and clinical effects of paclitaxel.
Multiple doses of licorice taken concomitantly with paclitaxel might reduce the effectiveness of paclitaxel. Animal research shows that licorice 3 grams/kg given orally for 14 days before intravenous administration of paclitaxel decreases the exposure to paclitaxel and increases its clearance. Theoretically, this occurs because licorice induces cytochrome P450 3A4 enzymes, which metabolize paclitaxel. Notably, a single dose of licorice did not affect exposure or clearance of paclitaxel.
Warfarin (Coumadin)
Theoretically, licorice might decrease plasma levels and clinical effects of warfarin.
Licorice seems to increase metabolism and decrease levels of warfarin in animal models. This is likely due to induction of cytochrome P450 2C9 (CYP2C9) metabolism by licorice. Advise patients taking warfarin to avoid taking licorice.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, licorice might decrease the levels and clinical effects of CYP1A2 substrates.
In vitro research shows that licorice induces CYP1A2 enzymes.
Methotrexate (Trexall, Others)
Theoretically, licorice might increase levels of methotrexate.
Animal research suggests that intravenous administration of glycyrrhizin, a licorice constituent, and high-dose methotrexate may delay methotrexate excretion and increase systemic exposure, leading to transient elevations in liver enzymes and total bilirubin. This interaction has not yet been reported in humans.
Gingerine
Anticoagulant/Antiplatelet Drugs
Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs. However, research is conflicting.
Laboratory research suggests that ginger inhibits thromboxane synthetase and decreases platelet aggregation. However, this has not been demonstrated unequivocally in humans, with mixed results from clinical trials. Theoretically, excessive amounts of ginger might increase the risk of bleeding when used with anticoagulant/antiplatelet drugs.
Antidiabetes Drugs
Theoretically, taking ginger with antidiabetes drugs might increase the risk of hypoglycemia.
Animal and human research suggests that ginger might increase insulin levels and/or decrease blood glucose levels.
Cytochrome P450 3A4 (Cyp3A4) Substrates
Ginger might increase or decrease the levels of CYP3A4 substrates.
In vitro research and some case reports suggest that ginger inhibits CYP3A4 activity. Three case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking ginger and cancer medications that are CYP3A4 substrates (imatinib, dabrafenib, and crizotinib). However, the causality of this interaction is unclear due to the presence of multiple interacting drugs and routes of administration.
Conversely, other in vitro research suggests that ginger induces CYP3A4 activity, leading to reduced levels of CYP3A4 substrates. However, this interaction has not been reported in humans.
Losartan (Cozaar)
Theoretically, ginger might increase levels of losartan and the risk of hypotension.
In animal research, ginger increased the levels and hypotensive effects of a single dose of losartan. It is not clear if ginger alters the concentration or effects of losartan when taken continuously. Additionally, this interaction has not been shown in humans.
Nifedipine (Procardia)
Ginger may have antiplatelet effects and increase the risk of bleeding if used with nifedipine.
Clinical research shows that combined treatment with ginger 1 gram plus nifedipine 10 mg significantly inhibits platelet aggregation when compared to nifedipine or ginger alone.
P-Glycoprotein Substrates
Ginger might increase the absorption and blood levels of P-glycoprotein (P-gp) substrates.
In vitro research and case reports suggest that ginger inhibits drug efflux by P-gp, potentially increasing absorption and serum levels of P-gp substrates. Two case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking ginger and cancer medications that are P-gp substrates (trametinib, crizotinib). However, the causality of this interaction is unclear due to the presence of multiple interacting drugs and routes of administration.
Phenprocoumon (Marcoumar, Others)
Ginger might increase the risk of bleeding with phenprocoumon.
Phenprocoumon, a warfarin-related anticoagulant, might increase the international normalized ratio (INR) when taken with ginger. There is one case report of a 76-year-old woman with a stable INR on phenprocoumon that increased to greater than 10 when she began consuming dried ginger and ginger tea.
Warfarin (Coumadin)
Ginger might increase the risk of bleeding with warfarin.
Laboratory research suggests that ginger might inhibit thromboxane synthetase and decrease platelet aggregation. In one case report, ginger increased the INR when taken with phenprocoumon, which has similar pharmacological effects as warfarin. In another case report, ginger increased the INR when taken with a combination of warfarin, hydrochlorothiazide, and acetaminophen. A longitudinal analysis suggests that taking ginger increases the risk of bleeding in patients taking warfarin for at least 4 months. However, research in healthy people suggests that ginger has no effect on INR, or the pharmacokinetics or pharmacodynamics of warfarin. Until more is known, monitor INRs closely in patients taking large amounts of ginger.
Calcium Channel Blockers
Theoretically, taking ginger with calcium channel blockers might increase the risk of hypotension.
Some animal and in vitro research suggests that ginger has hypotensive and calcium channel-blocking effects. Another animal study shows that concomitant administration of ginger and the calcium channel blocker amlodipine leads to greater reductions in blood pressure when compared with amlodipine alone.
Cyclosporine (Neoral, Sandimmune)
Theoretically, when taken prior to cyclosporine, ginger might decrease cyclosporine levels.
In an animal model, ginger juice taken 2 hours prior to cyclosporine administration reduced the maximum concentration and area under the curve of cyclosporine by 51% and 40%, respectively. This effect was not observed when ginger juice and cyclosporine were administered at the same time.
Cytochrome P450 1A2 (Cyp1A2) Substrates
Theoretically, ginger might increase the levels of CYP1A2 substrates.
In vitro research shows that ginger inhibits CYP1A2 activity. However, this interaction has not been reported in humans.
Cytochrome P450 2B6 (Cyp2B6) Substrates
Theoretically, ginger might increase the levels of CYP2B6 substrates.
In vitro research shows that ginger inhibits CYP2B6 activity. However, this interaction has not been reported in humans.
Cytochrome P450 2C9 (Cyp2C9) Substrates
Theoretically, ginger might increase the levels of CYP2C9 substrates.
In vitro research shows that ginger inhibits CYP2C9 activity. However, this interaction has not been reported in humans.
Metronidazole (Flagyl)
Theoretically, ginger might increase levels of metronidazole.
In an animal model, ginger increased the absorption and plasma half-life of metronidazole. In addition, the elimination rate and clearance of metronidazole was significantly reduced.
Brand information
Manufacturer and brand details for DGL Licorice Supreme, from the product label.
Harmony Nutraceuticals
See all Harmony Nutraceuticals products- Name
- Harmony Nutraceuticals, LLC
- Street Address
- 3701 NW 62nd Street
- City
- OKC
- State
- OK
- ZipCode
- 73112
- Phone Number
- (405) 601-4518
- Web Address
- www.HarmonyVeda.com
DGL Licorice Supreme by Harmony Nutraceuticals: Common Questions
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Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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The Full Monographs Behind DGL Licorice Supreme’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Licorice
Interacts with 1,040 drugsLicorice root is a traditional remedy used for sore throats, coughs, and digestive complaints, but solid human evidence is limited for most uses. Regular licorice contains glycyrrhizin, whic...
Read the full Licorice monograph → Herb & supplement monographGinger
Interacts with 1,007 drugsGinger is a widely used culinary spice with a long history in traditional medicine, and it has the strongest evidence for helping with nausea and vomiting, including from motion sickness, pr...
Read the full Ginger monograph →Sources & How We Checked
DGL Licorice Supreme's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 156 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Licorice 92 references
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- Sigurjonsdottir HA, Ragnarsson J, Franzson L, Sigurdsson G. Is blood pressure commonly raised by moderate consumption of liquorice? J Hum Hypertens 1995;9:345-8.
- Armanini D, Lewicka S, Pratesi C, et al. Further studies on the mechanism of the mineralocorticoid action of licorice in humans. J Endocrinol Invest 1996;19:624-9. PubMed
- Zhang YD, Lorenzo B, Reidenberg MM. Inhibition of 11 beta hydroxysteroid dehydrogenase obtained from guinea pig kidney by furosemide, naringenin and some other compounds. J Steroid Biochem Mol Biol 1994;49:81-5.
- Strandberg TE, Jarvenpaa AL, Vanhanen H, McKeigue PM. Birth outcome in relation to licorice consumption during pregnancy. Am J Epidemiol 2001;153:1085-8. PubMed
- Sigurjonsdottir HA, Franzson L, Manhem K, et al. Liquorice-induced rise in blood pressure: a linear dose-response relationship. J Hum Hypertens 2001;15:549-52. PubMed
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- Kent UM, Aviram M, Rosenblat M, Hollenberg PF. The licorice root derived isoflavan glabridin inhibits the activities of human cytochrome P450S 3A4, 2B6, and 2C9. Drug Metab Dispos 2002;30:709-15.. PubMed
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- Strandberg TE, Andersson S, Jarvenpaa AL, et al. Preterm birth and licorice consumption during pregnancy. Am J Epidemiol 2002;156:803-5.. PubMed
- Hussain RM. The sweet cake that reaches parts other cakes can't! Postgrad Med J 2003;79:115-6.. PubMed
- Morris DJ, Davis E, Latif SA. Licorice, tobacco chewing, and hypertension. N Engl J Med 1990;322:849-50. PubMed
- Quinkler M, Stewart PM. Hypertension and the cortisol-cortisone shuttle. J Clin Endocrinol Metab 2003;88:2384-92. PubMed
- Westman EC, Guthrie GP. Licorice, tobacco chewing, and hypertension. N Engl J Med 1990;322:850. PubMed
- Mu Y, Zhang J, Zhang S, et al. Traditional Chinese medicines Wu Wei Zi (Schisandra chinensis Baill) and Gan Cao (Glycyrrhiza uralensis Fisch) activate pregnane X receptor and increase warfarin clearance in rats. J Pharmacol Exp Ther 2006;316:1369-77. PubMed
- Yasue H, Itoh T, Mizuno Y, Harada E. Severe hypokalemia, rhabdomyolysis, muscle paralysis, and respiratory impairment in a hypertensive patient taking herbal medicines containing licorice. Intern Med 2007;46:575-8. PubMed
- Brayley J, Jones J. Life-threatening hypokalemia associated with excessive licorice ingestion (letter). Am J Psychiatry 1994;151:617-8. PubMed
- de Klerk GJ, Nieuwenhuis G, Beutler JJ. Hypokalaemia and hypertension associated with use of liquorice flavoured chewing gum. BMJ 1997;314:731-2.
- Dellow EL, Unwin RJ, Honour JW. Pontefract cakes can be bad for you: refractory hypertension and liquorice excess. Nephol Dial Transplant 1999;14:218-20. PubMed
- Elinav E, Chajek-Shaul T. Licorice consumption causing severe hypokalemic paralysis. Mayo Clin Proc 2003;78:767-8. PubMed
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- Janse A, van Iersel M, Hoefnagels WH, Olde Rikker MG. The old lady who liked liquorice: hypertension due to chronic intoxication in a memory-impaired patient. Neth J Med 2005;63:149-50.
- Lin SH, Yang SS, Chau T, Halperin ML. An unusual cause of hypokalemic paralysis: chronic licorice ingestion. Am J Med Sci 2003;325:153-6. PubMed
- van den Bosch AE, van der Klooster JM, Zuidgeest DM, et al. Severe hypokalemic paralysis and rhabdomyolysis due to ingestion of liquorice. Neth J Med 2005;63:146-8.
- van Uum SH. Liquorice and hypertension. Neth J Med 2005;63:119-20.
- Russo S, Mastropasqua M, Mosetti MA, et al. Low doses of liquorice can induce hypertension encephalopathy. Am J Nephrol 2000;20:145-8. PubMed
- Stormer FC, Reistad R, Alexander J. Glycyrrhizic acid in liquorice - evaluation of health hazard. Food Chem Toxicol 1993;31:303-12. PubMed
- Sontia B, Mooney J, Gaudet L, Touyz RM. Pseudohyperaldosteronism, liquorice, and hypertension. J Clin Hypertens (Greenwich) 2008;10:153-7. PubMed
- Francini-Pesenti F, Puato M, Piccoli A, Brocadello F. Liquorice-induced hypokalaemia and water retention in the absence of hypertension. Phytother Res 2008;22:563-5. PubMed
- Lapi F, Gallo E, Bernasconi S, et al. Myopathies associated with red yeast rice and liquorice: spontaneous reports from the Italian Surveillance System of Natural Health Products. Br J Clin Pharmacol 2008;66:572-4. PubMed
- Chen MF, Shimada F, Kato H, Yano S, Kanaoka M. Effect of glycyrrhizin on the pharmacokinetics of prednisolone following low dosage of prednisolone hemisuccinate. Endocrinol Jpn 1990;37:331-41. PubMed
- Teelucksingh S, Mackie AD, Burt D, McIntyre MA, Brett L, Edwards CR. Potentiation of hydrocortisone activity in skin by glycyrrhetinic acid. Lancet 1990;335(8697):1060-3. PubMed
- Heidemann HT, Kreuzfelder E. Hypokalemic rhabdomyolysis with myoglobinuria due to licorice ingestion and diuretic treatment. Klin Wochenschr 1983;61:303-5. PubMed
- Hukkanen J, Ukkola O, Savolainen MJ. Effects of low-dose liquorice alone or in combination with hydrochlorothiazide on the plasma potassium in healthy volunteers. Blood Press 2009;18:192-5. PubMed
- Bisogni V, Rossi GP, Calò LA. Apparent mineralcorticoid excess syndrome, an often forgotten or unrecognized cause of hypokalemia and hypertension: case report and appraisal of the pathophysiology. Blood Press. 2014 Jun;23(3):189-92. PubMed
- Dehours E, Vallé B, Rougé-Bugat ME, Florent B, Bounes V, Franchitto N. Suspected hypokalaemia following liquorice ingestion on board ship. J Telemed Telecare. 2013 Jun;19(4):227-8. PubMed
- Kormann R, Languille E, Amiot HM, Hertig A. Dying for a cup of tea. BMJ Case Rep. 2012 Oct 19;2012. PubMed
- Panduranga P, Al-Rawahi N. Licorice-induced severe hypokalemia with recurrent torsade de pointes. Ann Noninvasive Electrocardiol. 2013 Nov;18(6):593-6. PubMed
- Räikkönen K, Seckl JR, Heinonen K, Pyhälä R, Feldt K, Jones A, Pesonen AK, Phillips DI, Lahti J, Järvenpää AL, Eriksson JG, Matthews KA, Strandberg TE, Kajantie E. Maternal prenatal licorice consumption alters hypothalamic-pituitary-adrenocortical axis fu
- Robles BJ, Sandoval AR, Dardon JD, Blas CA. Lethal liquorice lollies (liquorice abuse causing pseudohyperaldosteronism). BMJ Case Rep. 2013 Sep 19;2013. PubMed
- Chamberlain, J. J. and Abolnik, I. Z. Pulmonary edema following a licorice binge. West J Med 1997;167(3):184-185.
- Barrella, M., Lauria, G., Quatrale, R., and Paolino, E. Hypokaliemic rhabdomyolysis associated with liquorice ingestion: report of an atypical case. Ital.J Neurol.Sci 1997;18(4):217-220. PubMed
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
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